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Previous year question hub

Mixtures of Ideal Gases - Engineering Sciences Previous Year Questions

Practice Mixtures of Ideal Gases - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
57Questions
1Topics

Mixtures of Ideal Gases question pattern

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Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 29 50.9%
Easy 26 45.6%
Hard 2 3.5%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 26 45.6%
Numerical Answer Type (NAT) 25 43.9%
Fill in the blanks 3 5.3%
MSQ 3 5.3%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
57 Qs

Most asked topics

Top topics across the included previous year papers.

Mixtures of Ideal Gases
57 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Gas-mixture Properties and Psychrometrics
57 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Engineering Sciences (XE) 2026
5 Qs
Engineering Sciences (XE) 2025
3 Qs
Engineering Sciences (XE) 2024
3 Qs
Engineering Sciences (XE) 2023
2 Qs
Engineering Sciences (XE) 2022
4 Qs
Engineering Sciences (XE) 2021
5 Qs
Engineering Sciences (XE) 2020
1 Qs
Engineering Sciences (XE) 2019
3 Qs
Engineering Sciences (XE) 2018
3 Qs
Engineering Sciences (XE) 2017
3 Qs
Engineering Sciences (XE) 2016
4 Qs
Engineering Sciences (XE) 2015
2 Qs
Engineering Sciences (XE) 2014
3 Qs
Engineering Sciences (XE) 2013
3 Qs
Engineering Sciences (XE) 2012
2 Qs
Engineering Sciences (XE) 2011
1 Qs
Engineering Sciences (XE) 2010
2 Qs
Engineering Sciences (XE) 2009
3 Qs
Engineering Sciences (XE) 2008
3 Qs
Engineering Sciences (XE) 2007
2 Qs

Browse by subtopics

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Gas-mixture Properties and Psychrometrics

Explore previous-paper coverage, trends and focused practice for Gas-mixture Properties and Psychrometrics.

57 questions20 papers20 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Engineering Sciences (XE) 20262026
5 questions in this view		2026
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Engineering Sciences (XE) 20252025
3 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20242024
3 questions in this view		2024
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Engineering Sciences (XE) 20232023
2 questions in this view		2023
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Engineering Sciences (XE) 20222022
4 questions in this view		2022
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Engineering Sciences (XE) 20212021
5 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20202020
1 questions in this view		2020
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20192019
3 questions in this view		2019
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20182018
3 questions in this view		2018
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20172017
3 questions in this view		2017
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20162016
4 questions in this view		2016
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20152015
2 questions in this view		2015
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20142014
3 questions in this view		2014
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20132013
3 questions in this view		2013
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20122012
2 questions in this view		2012
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20112011
1 questions in this view		2011
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20102010
2 questions in this view		2010
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20092009
3 questions in this view		2009
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20082008
3 questions in this view		2008
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Official question paperOriginal authority-issued PDF Official Download
Engineering Sciences (XE) 20072007
2 questions in this view		2007
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Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2007
A piston-cylinder arrangement contains an ideal gas mixture of 1 kg Nitrogen (M = 28 kg/kmol, γ = 1.4) and 2 kg of Argon (M = 40 kg/kmol, γ = 1.667), at 100 kPa, 300 K. The gas expands at constant pressure until the volume increases by 1 m³.
The initial volume of the gas mixture is approximately
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2
2008 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2008
If the moist air is heated at a constant pressure
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3
2009 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2009
During the adiabatic saturation process
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4
2010 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2010
A mixture of Freon and air is supplied for cleaning a chamber. The mixture contains 70% by volume of air and 30% by volume of Freon. Specific heat ratios for Freon and air are 1.1 and 1.4 respectively. Molecular mass of Freon is 200 g/mole and that of air is 30 g/mole. Temperature of gas is 300 K. If, universal gas constant is 8.314 J/mole·K, specific heat ratio of the mixture is
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5
2011 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2011

One kilomole of hydrogen (M = 2 kg/kmol) is mixed with certain number of kilomoles of argon (M = 40 kg/kmol) such that the mass fraction of argon in the resultant mixture is 0.8. The number of kilomoles of argon in the mixture is

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6
2012 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2012
The relative humidity of air (in percentage) is
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